From 14642c9b0d1c7579cbf38b62519825ff46f522b1 Mon Sep 17 00:00:00 2001 From: Dana Jansens Date: Sun, 20 May 2007 15:38:43 +0000 Subject: [PATCH] oops i tht they were already added --- openbox/focus_cycle.c | 411 ++++++++++++++++++++++++++++++++++++++++++ openbox/focus_cycle.h | 53 ++++++ 2 files changed, 464 insertions(+) create mode 100644 openbox/focus_cycle.c create mode 100644 openbox/focus_cycle.h diff --git a/openbox/focus_cycle.c b/openbox/focus_cycle.c new file mode 100644 index 00000000..9c64cdb9 --- /dev/null +++ b/openbox/focus_cycle.c @@ -0,0 +1,411 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- + + focus_cycle.c for the Openbox window manager + Copyright (c) 2006 Mikael Magnusson + Copyright (c) 2003-2007 Dana Jansens + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + See the COPYING file for a copy of the GNU General Public License. +*/ + +#include "focus_cycle.h" +#include "focus_cycle_indicator.h" +#include "focus_cycle_popup.h" +#include "client.h" +#include "frame.h" +#include "focus.h" +#include "screen.h" +#include "openbox.h" +#include "debug.h" +#include "group.h" + +#include +#include + +ObClient *focus_cycle_target = NULL; + +static void focus_cycle_destroy_notify (ObClient *client, gpointer data); +static gboolean focus_target_has_siblings (ObClient *ft, + gboolean iconic_windows, + gboolean all_desktops); +static ObClient *focus_find_directional (ObClient *c, + ObDirection dir, + gboolean dock_windows, + gboolean desktop_windows); +static ObClient *focus_find_directional (ObClient *c, + ObDirection dir, + gboolean dock_windows, + gboolean desktop_windows); + +void focus_cycle_startup(gboolean reconfig) +{ + if (reconfig) return; + + client_add_destroy_notify(focus_cycle_destroy_notify, NULL); +} + +void focus_cycle_shutdown(gboolean reconfig) +{ + if (reconfig) return; + + client_remove_destroy_notify(focus_cycle_destroy_notify); +} + +void focus_cycle_stop() +{ + if (focus_cycle_target) + focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE); +} + +static void focus_cycle_destroy_notify(ObClient *client, gpointer data) +{ + /* end cycling if the target disappears. CurrentTime is fine, time won't + be used + */ + if (focus_cycle_target == client) + focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE); +} + +/*! Returns if a focus target has valid group siblings that can be cycled + to in its place */ +static gboolean focus_target_has_siblings(ObClient *ft, + gboolean iconic_windows, + gboolean all_desktops) + +{ + GSList *it; + + if (!ft->group) return FALSE; + + for (it = ft->group->members; it; it = g_slist_next(it)) { + ObClient *c = it->data; + /* check that it's not a helper window to avoid infinite recursion */ + if (c != ft && !client_helper(c) && + focus_cycle_target_valid(c, iconic_windows, all_desktops, FALSE, + FALSE)) + { + return TRUE; + } + } + return FALSE; +} + +gboolean focus_cycle_target_valid(ObClient *ft, + gboolean iconic_windows, + gboolean all_desktops, + gboolean dock_windows, + gboolean desktop_windows) +{ + gboolean ok = FALSE; + + /* it's on this desktop unless you want all desktops. + + do this check first because it will usually filter out the most + windows */ + ok = (all_desktops || ft->desktop == screen_desktop || + ft->desktop == DESKTOP_ALL); + + /* the window can receive focus somehow */ + ok = ok && (ft->can_focus || ft->focus_notify); + + /* the window is not iconic, or we're allowed to go to iconic ones */ + ok = ok && (iconic_windows || !ft->iconic); + + /* it's the right type of window */ + if (dock_windows || desktop_windows) + ok = ok && ((dock_windows && ft->type == OB_CLIENT_TYPE_DOCK) || + (desktop_windows && ft->type == OB_CLIENT_TYPE_DESKTOP)); + else + /* normal non-helper windows are valid targets */ + ok = ok && + ((client_normal(ft) && !client_helper(ft)) + || + /* helper windows are valid targets it... */ + (client_helper(ft) && + /* ...a window in its group already has focus ... */ + ((focus_client && ft->group == focus_client->group) || + /* ... or if there are no other windows in its group + that can be cycled to instead */ + !focus_target_has_siblings(ft, iconic_windows, all_desktops)))); + + /* it's not set to skip the taskbar (unless it is a type that would be + expected to set this hint */ + ok = ok && ((ft->type == OB_CLIENT_TYPE_DOCK || + ft->type == OB_CLIENT_TYPE_DESKTOP || + ft->type == OB_CLIENT_TYPE_TOOLBAR || + ft->type == OB_CLIENT_TYPE_MENU || + ft->type == OB_CLIENT_TYPE_UTILITY) || + !ft->skip_taskbar); + + /* it's not going to just send fous off somewhere else (modal window) */ + ok = ok && ft == client_focus_target(ft); + + return ok; +} + +void focus_cycle(gboolean forward, gboolean all_desktops, + gboolean dock_windows, gboolean desktop_windows, + gboolean linear, gboolean interactive, + gboolean dialog, gboolean done, gboolean cancel) +{ + static ObClient *first = NULL; + static ObClient *t = NULL; + static GList *order = NULL; + GList *it, *start, *list; + ObClient *ft = NULL; + + if (interactive) { + if (cancel) { + focus_cycle_target = NULL; + goto done_cycle; + } else if (done) + goto done_cycle; + + if (!focus_order) + goto done_cycle; + + if (!first) first = focus_client; + + if (linear) list = client_list; + else list = focus_order; + } else { + if (!focus_order) + goto done_cycle; + list = client_list; + } + if (!focus_cycle_target) focus_cycle_target = focus_client; + + start = it = g_list_find(list, focus_cycle_target); + if (!start) /* switched desktops or something? */ + start = it = forward ? g_list_last(list) : g_list_first(list); + if (!start) goto done_cycle; + + do { + if (forward) { + it = it->next; + if (it == NULL) it = g_list_first(list); + } else { + it = it->prev; + if (it == NULL) it = g_list_last(list); + } + ft = it->data; + if (focus_cycle_target_valid(ft, TRUE, + all_desktops, dock_windows, + desktop_windows)) + { + if (interactive) { + if (ft != focus_cycle_target) { /* prevents flicker */ + focus_cycle_target = ft; + focus_cycle_draw_indicator(ft); + } + if (dialog) + /* same arguments as focus_target_valid */ + focus_cycle_popup_show(ft, TRUE, + all_desktops, dock_windows, + desktop_windows); + return; + } else if (ft != focus_cycle_target) { + focus_cycle_target = ft; + done = TRUE; + break; + } + } + } while (it != start); + +done_cycle: + if (done && focus_cycle_target) + client_activate(focus_cycle_target, FALSE, TRUE); + + t = NULL; + first = NULL; + focus_cycle_target = NULL; + g_list_free(order); + order = NULL; + + if (interactive) { + focus_cycle_draw_indicator(NULL); + focus_cycle_popup_hide(); + } + + return; +} + +/* this be mostly ripped from fvwm */ +static ObClient *focus_find_directional(ObClient *c, ObDirection dir, + gboolean dock_windows, + gboolean desktop_windows) +{ + gint my_cx, my_cy, his_cx, his_cy; + gint offset = 0; + gint distance = 0; + gint score, best_score; + ObClient *best_client, *cur; + GList *it; + + if(!client_list) + return NULL; + + /* first, find the centre coords of the currently focused window */ + my_cx = c->frame->area.x + c->frame->area.width / 2; + my_cy = c->frame->area.y + c->frame->area.height / 2; + + best_score = -1; + best_client = NULL; + + for(it = g_list_first(client_list); it; it = g_list_next(it)) { + cur = it->data; + + /* the currently selected window isn't interesting */ + if(cur == c) + continue; + if (!focus_cycle_target_valid(it->data, FALSE, FALSE, dock_windows, + desktop_windows)) + continue; + + /* find the centre coords of this window, from the + * currently focused window's point of view */ + his_cx = (cur->frame->area.x - my_cx) + + cur->frame->area.width / 2; + his_cy = (cur->frame->area.y - my_cy) + + cur->frame->area.height / 2; + + if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST || + dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) { + gint tx; + /* Rotate the diagonals 45 degrees counterclockwise. + * To do this, multiply the matrix /+h +h\ with the + * vector (x y). \-h +h/ + * h = sqrt(0.5). We can set h := 1 since absolute + * distance doesn't matter here. */ + tx = his_cx + his_cy; + his_cy = -his_cx + his_cy; + his_cx = tx; + } + + switch(dir) { + case OB_DIRECTION_NORTH: + case OB_DIRECTION_SOUTH: + case OB_DIRECTION_NORTHEAST: + case OB_DIRECTION_SOUTHWEST: + offset = (his_cx < 0) ? -his_cx : his_cx; + distance = ((dir == OB_DIRECTION_NORTH || + dir == OB_DIRECTION_NORTHEAST) ? + -his_cy : his_cy); + break; + case OB_DIRECTION_EAST: + case OB_DIRECTION_WEST: + case OB_DIRECTION_SOUTHEAST: + case OB_DIRECTION_NORTHWEST: + offset = (his_cy < 0) ? -his_cy : his_cy; + distance = ((dir == OB_DIRECTION_WEST || + dir == OB_DIRECTION_NORTHWEST) ? + -his_cx : his_cx); + break; + } + + /* the target must be in the requested direction */ + if(distance <= 0) + continue; + + /* Calculate score for this window. The smaller the better. */ + score = distance + offset; + + /* windows more than 45 degrees off the direction are + * heavily penalized and will only be chosen if nothing + * else within a million pixels */ + if(offset > distance) + score += 1000000; + + if(best_score == -1 || score < best_score) + best_client = cur, + best_score = score; + } + + return best_client; +} + +void focus_directional_cycle(ObDirection dir, gboolean dock_windows, + gboolean desktop_windows, gboolean interactive, + gboolean dialog, gboolean done, gboolean cancel) +{ + static ObClient *first = NULL; + ObClient *ft = NULL; + + if (!interactive) + return; + + if (cancel) { + focus_cycle_target = NULL; + goto done_cycle; + } else if (done) + goto done_cycle; + + if (!focus_order) + goto done_cycle; + + if (!first) first = focus_client; + if (!focus_cycle_target) focus_cycle_target = focus_client; + + if (focus_cycle_target) + ft = focus_find_directional(focus_cycle_target, dir, dock_windows, + desktop_windows); + else { + GList *it; + + for (it = focus_order; it; it = g_list_next(it)) + if (focus_cycle_target_valid(it->data, FALSE, FALSE, dock_windows, + desktop_windows)) + ft = it->data; + } + + if (ft) { + if (ft != focus_cycle_target) {/* prevents flicker */ + focus_cycle_target = ft; + focus_cycle_draw_indicator(ft); + } + } + if (focus_cycle_target && dialog) { + /* same arguments as focus_target_valid */ + focus_cycle_popup_single_show(focus_cycle_target, + FALSE, FALSE, dock_windows, + desktop_windows); + return; + } + +done_cycle: + if (done && focus_cycle_target) + client_activate(focus_cycle_target, FALSE, TRUE); + + first = NULL; + focus_cycle_target = NULL; + + focus_cycle_draw_indicator(NULL); + focus_cycle_popup_single_hide(); + + return; +} + +void focus_order_add_new(ObClient *c) +{ + if (c->iconic) + focus_order_to_top(c); + else { + g_assert(!g_list_find(focus_order, c)); + /* if there are any iconic windows, put this above them in the order, + but if there are not, then put it under the currently focused one */ + if (focus_order && ((ObClient*)focus_order->data)->iconic) + focus_order = g_list_insert(focus_order, c, 0); + else + focus_order = g_list_insert(focus_order, c, 1); + } +} + diff --git a/openbox/focus_cycle.h b/openbox/focus_cycle.h new file mode 100644 index 00000000..38c0e837 --- /dev/null +++ b/openbox/focus_cycle.h @@ -0,0 +1,53 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- + + focus_cycle.h for the Openbox window manager + Copyright (c) 2006 Mikael Magnusson + Copyright (c) 2003-2007 Dana Jansens + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + See the COPYING file for a copy of the GNU General Public License. +*/ + +#ifndef __focus_cycle_h +#define __focus_cycle_h + +#include "misc.h" + +#include +#include + +struct _ObClient; + +/*! The client which appears focused during a focus cycle operation */ +extern struct _ObClient *focus_cycle_target; + +void focus_cycle_startup(gboolean reconfig); +void focus_cycle_shutdown(gboolean reconfig); + +/*! Cycle focus amongst windows. */ +void focus_cycle(gboolean forward, gboolean all_desktops, + gboolean dock_windows, gboolean desktop_windows, + gboolean linear, gboolean interactive, + gboolean dialog, gboolean done, gboolean cancel); +void focus_directional_cycle(ObDirection dir, gboolean dock_windows, + gboolean desktop_windows, gboolean interactive, + gboolean dialog, gboolean done, gboolean cancel); + +void focus_cycle_stop(); + +gboolean focus_cycle_target_valid(struct _ObClient *ft, + gboolean iconic_windows, + gboolean all_desktops, + gboolean dock_windows, + gboolean desktop_windows); + +#endif -- 2.34.1